Finding the Third Proportional to 819,464 and 1,788,360

Step by Step Solution

1. Step 1: Write the proportion equation
   819,464 : 1,788,360 = 1,788,360 : x
2. Step 2: Convert to fraction form
   819,464/1,788,360 = 1,788,360/x
3. Step 3: Cross multiply
   819,464x = 1,788,360 × 1,788,360
4. Step 4: Simplify right side
   819,464x = 3,198,231,489,600
5. Step 5: Solve for x
   x = 3,198,231,489,600/819,464
6. Step 6: Final answer
   x = 3,902,833.42